CN201183089Y - Steel pipe cold die cut equipment - Google Patents
Steel pipe cold die cut equipment Download PDFInfo
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- CN201183089Y CN201183089Y CNU2008200864579U CN200820086457U CN201183089Y CN 201183089 Y CN201183089 Y CN 201183089Y CN U2008200864579 U CNU2008200864579 U CN U2008200864579U CN 200820086457 U CN200820086457 U CN 200820086457U CN 201183089 Y CN201183089 Y CN 201183089Y
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Abstract
The utility model relates to steel pipe cold-punching equipment which belongs to the technical field of the machine tool and aims to solve the problems of the prior art of serious resource waste and low production efficiency. The steel pipe cold-punching equipment is characterized in that two isolated knife edges are arranged on a die; a stationary core rod, a feeding device and a clamping device are respectively arranged at one side of the die; a movable core rod and a pushing part are respectively arranged at the other side of the die; a punch cutting board is arranged at the vacant position between the two corresponding knife edges; a storage tank is arranged at the upper side of the die; a mandrel is placed in the storage tank; a lining part is arranged in the die and at the position corresponding to the storage tank. When the equipment works, the stationary core rod is inserted into the steel pipe, the feeding device enables the steel pipe to be conveyed towards the die step by step, the core rod is placed in the steel pipe, the movable core rod is inserted into the steel pipe, the steel pipe is punched by using the punch cutting board facing the position of the mandrel from the outer side of the steel pipe, and two workpieces can be punched at one time. Since the punching does not adopt material removing processing, waste materials are not generated during the punching process, and resources are greatly saved; meanwhile, the two workpieces can be obtained through one-time punching, and the efficiency is improved.
Description
Technical field
The utility model belongs to the machine tool technology field, a kind of specifically steel tube cold cutting device.
Background technology
At present, with the main material of bearing steel pipe, in bearing industry, be widely adopted as medium and small bearing enclose blank.But when becoming the bearing enclose blank of single-piece by steel pipe, what generally adopt is the technology of cutting piecemeal with lathe tool on lathe, making partly, valuable steel pipe becomes iron filings at a low price, caused a large amount of wastings of resources, bearing enterprise particularly to producing in enormous quantities, it is measured and must warn the people greatly especially because the loss of the steel pipe that is caused with the lathe tool material cutting! Use lathe cut, promptly waste material takes artificial muscle power again, and production efficiency is low, quality is unstable, also has potential safety hazard in process of production.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome existing to cut defectives such as the wasting of resources that steel tube place causes is big, production efficiency is low piecemeal with lathe tool, a kind of steel tube cold cutting device is provided, for this reason, the utility model is by the following technical solutions:
Steel tube cold cutting device is characterized in that comprising:
Mould, it has the edge of a knife that two axial directions are isolated, and the room that has one first width of the workpiece distance between two edges of a knife;
The pay-off of one stepping vertically, it is positioned at a side of described mould;
One clamping device, it is between described mould and pay-off;
One stationary core rod, it is positioned at the homonymy of described clamping device, and one end is alignd with the edge of a knife of this side of mould;
One movable plug, it is positioned at the opposite side of described mould and is coaxially set with described stationary core rod, its operative end surface is limited in the stroke of being determined by the primary importance and the second place, align with the edge of a knife of this side of mould in this operative end surface of primary importance, between the edge of a knife of this side on this operative end surface of the second place and the mould, maintain the axial distance of the width sum of described first workpiece and one second workpiece at least, and the width of described second workpiece is not more than the width of first workpiece;
One pusher part, itself and described movable plug homonymy and establish, it has an axial operative end surface that is limited in the stroke of being determined by the primary importance and the second place, align with the edge of a knife of this side of mould in this operative end surface of primary importance, between the edge of a knife of this side on this operative end surface of the second place and the mould, maintain the axial distance of one second width of the workpiece at least; Be used for cooperating steel pipe enforcement die-cut with the edge of a knife;
One storagetank, it is positioned at described movable plug one side, maintains the axial distance of at least one second width of the workpiece between itself and this side tool mouth;
The core that some width are suitable with first width of the workpiece, it is positioned at described storagetank; The distortion that strict control cold punching is produced when cutting steel pipe;
One cushion part, its corresponding described storagetank and be positioned at a side of this side tool mouth; Be used for the liner core, make core corresponding, be convenient to core be pushed steel tube inner hole by movable plug with steel tube inner hole;
One drift knife plate, the room between its corresponding described two edges of a knife is provided with.
The steel tube cold cutting device of said structure during work is placed in steel pipe on the pay-off and carries to the mould stepping, once carries the distance of one first workpiece and second width of the workpiece sum; Afterwards stationary core rod is inserted steel pipe as requested, a core that will be positioned at storagetank is inserted steel pipe and is contacted with stationary core rod, movable plug is inserted steel pipe contact, and steel pipe is clamped, prevent the steel pipe positioning and cause workpiece to scrap or die-cut being difficult to carry out with clamping device with core; Then implement die-cut, be about to the drift knife plate and face toward the radially application of force of the position of core to steel pipe from the steel pipe outside, promptly, form another section steel pipe that is trapped on the mould and is enclosed within on the movable plug simultaneously and become second workpiece under the acting in conjunction of two edges of a knife of mould, core, stationary core rod, movable plug, drift knife plate one section steel pipe of corresponding core being become first workpiece under die-cut; By the pusher part second workpiece is pushed open from mould at last, made activity plug and pusher part reset, can carry out die-cut next time; So since die-cut be not go material processing, in die-cut process, do not produce waste material, therefore saved resource greatly; Simultaneously, obtain two workpiece by one-step punching, efficient is improved; And in the operation process, operating personnel do not contact die-cut position, and are therefore safe and reliable, eliminated potential safety hazard, and the gained workpiece quality is stable.
As the further of technique scheme improved and replenish, the utility model can be realized by concrete technical measures:
Described mould is made up of left die body and right die body, and the edge of a knife of described two isolation is separately positioned on left die body and the right die body, and putting between left die body and right die body has locating piece.Guarantee the precision between the edge of a knife of two isolation thus, and be convenient to implement.
Described clamping device comprises a supporting seat and a gland, be respectively arranged with corresponding clamping section on this supporting seat and the gland, be equipped with guide post between the two and be supported with spring, an end pressure holding of a lever that can rotate around the axis is on gland, and the other end of this lever connects a cylinder.Such structure is convenient to clamping structure and is moved rapidly, guarantee when promptly processed steel pipe enters mould to be slidingly matched flexibly, but the gap is unsuitable excessive; Clamping device unclamps during feeding, then must clamp before feeding is finished, cut off.
Described pay-off has an elastic ferrule assembly, and described stationary core rod is located in this elastic ferrule assembly and the clamping device.This structure is convenient to adorn fast and is changed steel pipe.
Described pay-off comprises the rack shaft of axial restraint and the transmission case that can move on axial rectilinear orbit, be provided with the ratchet transmission mechanism of realizing described stationary rack axle and engine transmission in the transmission case.Realize step feeding thus.
Described ratchet transmission mechanism comprises and described rack shaft meshed gears, tooth axle with gear is installed in the gear ring on the same turning cylinder and meshes with gear ring is being equipped with one-way clutch between described gear ring and the turning cylinder or between gear and the turning cylinder.
One end of described stationary core rod is arranged to step axle construction, match with this step axle construction and to be provided with a pair of axle bed and the shaft-cup that links together by bolt, the two has the corresponding clamping part that coincide with described step axle construction, is supported with the compression spring between the two.Such structure is convenient to install first, second can be convenient to stationary core rod and the supporting auxiliary equipment of making of mould, realizes the accurate location of stationary core rod and mould.
Described pusher part is enclosed within on the described movable plug; The front end of described pusher part is the semicircle tubulose, the corresponding described storagetank of its breach, and described cushion part is formed on the tube wall of corresponding gap portions on the described pusher part.Compact conformation like this, it is little to take up space.
On the described pusher part there being with the support spring of its maintenance to second operating position effect, is connected with an oblique voussoir on it.
Described drift knife plate is in the form of annular discs, and the periphery of this drift knife plate is provided with a plurality of edges of a knife, and this drift knife plate is according to being installed on the knife plate around the mode that rotate at its center.Be convenient to change the edge of a knife.
The beneficial effects of the utility model are:
1, the logical material that cannot get through is processed, and material is saved greatly, compares with traditional lathe cut, can save the 10%-15% of the total consumption of steel pipe, and economic benefit is very remarkable.
2, one-step punching can obtain two workpiece, and efficient is improved, and can improve 4-5 doubly;
3, in the operation process, operating personnel do not contact die-cut position, and are therefore safe and reliable, eliminated potential safety hazard;
4, the gained workpiece quality is stable.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of the present utility model.
Stationary core rod, movable plug, drift knife plate and core and several view of mould when Fig. 2-4 finishes one-step punching for structure shown in Figure 1.
Fig. 5 a, Fig. 5 b, Fig. 5 c are a kind of structural representation of the utility model drift knife plate, and wherein Fig. 5 b, Fig. 5 c are respectively right view, the left view of Fig. 5 a.
Fig. 6 a, Fig. 6 b are a kind of structural representation that the utility model is fixed stationary core rod, and wherein Fig. 6 b is that the A-A of Fig. 6 a is to cutaway view.
Fig. 7 a, Fig. 7 b are the structural representation of pay-off among Fig. 1, and wherein Fig. 7 b is that the B-B of Fig. 7 a is to cutaway view.
Fig. 8 is the schematic diagram (C-C of Fig. 1 is to cutaway view relatively) of clamping structure shown in Figure 1.
Fig. 9 is the process flow diagram that comprises the die-cut streamline of the utility model equipment.
Among the figure:
The 1-mould
11-left side die body
The right die body of 12-
The 13/14-edge of a knife
The 15-room;
The 2-pay-off
The 21-rack shaft
The 22-track
The 23-transmission case
The 24-gear
The 25-turning cylinder
The 26-gear ring
27-tooth axle
The 28-one-way clutch
The 29-feeding cylinder
The 210-lead
211-elastic ferrule assembly
The 212-lacing jacket
The 213-nut;
The 3-clamping device
The 31-supporting seat
The 32-gland
The 33-guide post
The 34-spring
The 35-rotating shaft
The 36-lever
37-clamps cylinder;
The 4-stationary core rod
41-step axle construction;
The movable plug of 5-
The 51-propulsion cylinder;
6-pusher part
The 61-cushion part
62-pusher cylinder
The 63-support spring
The oblique voussoir of 64-;
The 7-storagetank;
The 8-core;
9-drift knife plate
The 91-knife plate
The 92-edge of a knife;
The 10-frame
The 101-bolt
The 102-axle bed
The 103-shaft-cup
104-compresses spring
The 105-lead;
The G-steel pipe, G1-workpiece 1, G2-workpiece 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
Steel tube cold cutting device as shown in Figure 1, it is that formations such as mould 1, pay-off 2, clamping device 3, stationary core rod 4, movable plug 5, pusher part 6, storagetank 7, core 8, drift knife plate 9 are set on frame 10, wherein:
Pay-off 2 is shown in Fig. 7 a, Fig. 7 b, it is positioned at the left side of mould 1, it has the rack shaft 21 of axial restraint and the transmission case 23 that can move on axial rectilinear orbit 22, be fixed on the track 22 on the frame 10, simultaneously, also be provided with two leads 210, can move at axially (left and right directions) accurately at the power drive transmission case 23 of ordering thus; Be fixed with an elastic ferrule assembly 211 on the right side of transmission case 23, this elastic ferrule assembly 211 is that lacing jacket 212 and nut 213 that the flap Tightening sheet by several circle distribution constitutes constitutes, lacing jacket 212 endoporus are provided with axial locating surface, the outer surface of lacing jacket is arranged to the inclined-plane vertically, and nut 213 is by being threaded on the lacing jacket 212; In transmission case 23, be provided with the ratchet transmission mechanism, this ratchet transmission mechanism comprises and rack shaft 21 meshed gears 24, with gear 24 be installed on the same turning cylinder 25 gear ring 26 and with the tooth axle 27 of gear ring 26 engagement, one-way clutch 28 (this one-way clutch also can be installed between gear 24 and the turning cylinder 25) is being installed between gear ring 26 and the turning cylinder 25, thus, when with intermittently driving gear axle 27 of feeding cylinder 29, can realize that whole transmission case 23 is to mould 1 stepping by transmission mechanism, cut and work as steel pipe G, in the time of need adorning steel pipe again, can not disturbed by rack-and-pinion, make transmission case 23 be retracted into initial position fast;
Clamping device 3 as shown in Figure 8, it is between mould 1 and pay-off 2, it comprises a fixing supporting seat 31 and a gland 32, be respectively arranged with corresponding semicircle clamping section on this supporting seat 31 and the gland 32 and be used to clamp steel pipe, be equipped with guide post 33 between the two and be supported with spring 34, one can be around the shaft an end pressure holding of 35 levers 36 that rotate on gland 32, the other end of this lever 36 connects one and clamps cylinder 37, and the action by this clampings cylinder 37 can make semicircle clamping section clamp and the relieving steel pipe;
Movable plug 5, its diameter is suitable with steel pipe G internal diameter, and guarantee smooth play in steel pipe G, it is positioned at the right side of described mould 1 and is coaxially set with stationary core rod 4, drive simultaneously and can move left and right by propulsion cylinder 51, the scope of its move left and right is limited in the stroke of being determined by the primary importance and the second place with its operative end surface and is as the criterion, align with the edge of a knife 14 on the right die body 12 in this operative end surface of primary importance, between the edge of a knife 14 on this operative end surface of the second place and the right die body 12, maintain the axial distance of the width sum of the first workpiece G1 and one second workpiece G2 at least, so that when steel pipe G extends the length of 12 1 second workpiece G2 of right die body width, a core 8 can be put to the right-hand member of steel pipe G, simultaneously, the width of the described second workpiece G2 is not more than the width of the first workpiece G1, so that die-cut once after, by pusher part 6 the second workpiece G2 is pushed into room 15 between two edges of a knife 13/14 and falls and mould 1;
Pusher part 6, as a kind of preferable structure, it is with the tubulose of steel pipe G same size and is enclosed within on the movable plug 5 and can moves at left and right directions relative to movable plug 5, its scope of activities is limited in the stroke of being determined by the primary importance and the second place with the operative end surface of its left end and is as the criterion, align with the edge of a knife of right die body in this operative end surface of primary importance, steel pipe G between the edge of a knife of this operative end surface of the second place and right die body, maintains the axial distance of one second width of the workpiece at least, so that can extend the length of 12 1 second workpiece G2 of right die body width; Simultaneously, because it is enclosed within on the movable plug 5, therefore can guarantee with movable plug coaxially when move left and right basically, its left end is the semicircle tubulose, and the corresponding storagetank of its breach forms cushion part 61 on the tube wall of corresponding gap portions on the pusher part 6; Obvious, to promote the second workpiece G2 and cushion part is set thereon in order to reach, it can also be other shapes such as semicircle tubulose etc.; On the pusher part 6 there being with the support spring 63 of its maintenance to second operating position effect, is connected with an oblique voussoir 64 on it, thus, can promote oblique voussoir 64 by pusher cylinder 62 and control pusher part 6 move left and right with support spring 63;
Drift knife plate 9 is shown in Fig. 5 a, Fig. 5 b, Fig. 5 c, room 15 between its corresponding two edges of a knife 13/14 is provided with, drift knife plate 9 is in the form of annular discs, the periphery of this drift knife plate 9 is provided with a plurality of edges of a knife 92, and this drift knife plate 9 is according to being installed on the knife plate 91 around the mode that rotate at its center, when an edge of a knife 92 can not use, can rotate drift knife plate 9 and another edge of a knife is gone to the operating position get final product.
Above-mentioned steel tube cold cutting device is inserted mould 1 with steel pipe G right-hand member during work, left end is contained on the elastic ferrule assembly 211 as shown in Figure 1; And stationary core rod 4 passed transmission case 23, elastic ferrule assembly 211, clamping device 3 successively, and its right-hand member is alignd with the edge of a knife 13 of left die body 11, the step axle construction 41 of its left end is fixing by axle bed 102 and shaft-cup 103 according to diagram; By pay-off 2 steel pipe G is carried to mould 1 stepping afterwards, once carry the distance of one the first workpiece G1 and the second workpiece G2 width sum, carry the back that puts in place steel pipe G to be clamped by clamping device 3; Then a core 8 (referring to Fig. 4) that will fall in the storagetank 7 pushes in the steel pipe G by movable plug 5 and contacts (referring to Fig. 1) with stationary core rod 4; Implement die-cut, be about to drift knife plate 9 and face toward the radially application of force of the position of core 8 to steel pipe from the steel pipe outside, promptly under the acting in conjunction of two edges of a knife 13/14 of mould, core 8, stationary core rod 4, movable plug 5, drift knife plate 9 one section steel pipe of corresponding core 8 is being become the first workpiece G1 under die-cut, form another section steel pipe that is trapped on the mould 1 and is enclosed within on the movable plug 5 simultaneously and become the second workpiece G2 (referring to Fig. 2), finish die-cut back punching head knife plate 9 and reset; Push the second workpiece G2 open (referring to Fig. 3) from mould by pusher part 6 at last, make activity plug 5 and pusher part 6 reset, can carry out die-cut next time.In order to prevent that the second workpiece G2 is stuck between the left and right die body, can promote push rod with a stingy cylinder, it is forced to release outside the mould.
In whole steel tube cold cutting process, except that the dress steel pipe needs the manually-operated with insertion fixed central spindle, other everything can circulate automatically and finish, and one-step punching can form two same workpiece, the efficient height, easy-to-operate, production efficiency can improve 4-5 doubly than lathe cut.
This equipment of utilization, the edge of a knife on the drift knife plate is arranged to the semicircle identical with the steel pipe exradius, and the edge of a knife of left and right die body is arranged to the circular hole identical with outer diameter of steel pipes, is then sheared two truncation surfaces of the workpiece that sweeps away by the drift knife plate, the first half is the shearing shape, and Lower Half then is tears shape.
This equipment, mould is according to the diameter of steel tube size, adopts the seriation design of stepping, as diameter of steel tube is divided into≤30mm,＞30-60mm,＞60-80mm,＞four class of 80-100mm, so just simplified the workload that mould designs, be convenient to mass production; When changing description with class, as long as change a small amount of parts such as left and right sides die body, drift knife plate, two mandrels, pusher part, other is general part, and the ratio of general part accounts for 70% of part number.
Said method is set first workpiece and is equated with the width of second workpiece, then once can punch out the workpiece of two specification unanimities, does not wait if set the width of first workpiece and second workpiece, then once can punch out the workpiece of two different sizes.
Die-cut streamline as shown in Figure 9, wherein represented in the solid box is the action that equipment of the present utility model is finished, in the frame of broken lines represented be combine with equipment of the present utility model constitute other structures of die-cut streamline clicking technique and/or the action of finishing: when two workpiece are punched get off after, enter trimmer by raceway and carry out shaping, obtain two workpiece, two workpiece are delivered to the finished product case, will be delivered to storagetank for recycling through automatic charging machine and raceway groove from the core that first workpiece separates.Further instruction is that the arrow among the figure is represented the coordination opportunity between each action of this concrete clicking technique, in view of above addressing, does not repeat them here.
Claims (10)
1, steel tube cold cutting device is characterized in that comprising:
Mould (1), it has the edge of a knife (13/14) that two axial directions are isolated, and the room (15) that has one first workpiece (G1) width distance between two edges of a knife (13/14);
The pay-off of one stepping vertically (2), it is positioned at a side of described mould (1);
One clamping device (3), it is positioned between described mould (1) and the pay-off (2);
One stationary core rod (4), it is positioned at the homonymy of described clamping device (3), and one end is alignd with the edge of a knife (13) of this side of mould (1);
One movable plug (5), it is positioned at the opposite side of described mould (1) and is coaxially set with described stationary core rod (4), its operative end surface is limited in the stroke of being determined by the primary importance and the second place, align with the edge of a knife (14) of this side of mould in this operative end surface of primary importance, between the edge of a knife (14) of this side on this operative end surface of the second place and the mould, maintain the axial distance of the width sum of described first workpiece (G1) and one second workpiece (G2) at least, and the width of described second workpiece (G2) is not more than the width of first workpiece (G1);
One pusher part (6), itself and described movable plug (5) homonymy and establish, it has an axial operative end surface that is limited in the stroke of being determined by the primary importance and the second place, align with the edge of a knife (14) of this side of mould in this operative end surface of primary importance, between the edge of a knife (14) of this side on this operative end surface of the second place and the mould, maintain the axial distance of one second workpiece (G2) width at least;
One storagetank (7), it is positioned at described movable plug (5) one sides, maintains the axial distance of at least one second workpiece (G2) width between itself and this side tool mouth (14);
The core (8) that some width are suitable with first workpiece (G1) width, it is positioned at described storagetank (7);
One cushion part (61), its corresponding described storagetank (7) and be positioned at a side of this side tool mouth (14);
One drift knife plate (9), the room (15) between its corresponding described two edges of a knife (13/14) is provided with.
2, steel tube cold cutting device according to claim 1, it is characterized in that described mould (1) is made up of left die body (11) and right die body (12), the edge of a knife of described two isolation (13/14) is separately positioned on left die body (11) and the right die body (12), and putting between left die body (11) and right die body (12) has locating piece.
3, steel tube cold cutting device according to claim 1, it is characterized in that described clamping device (3) comprises a supporting seat (31) and a gland (32), be respectively arranged with corresponding clamping section on this supporting seat (31) and the gland (32), be equipped with guide post (33) between the two and be supported with spring (34), the one end pressure holding of (35) lever (36) of rotating around the shaft is on gland (32), and the other end of this lever (36) connects one and clamps cylinder (37).
4, steel tube cold cutting device according to claim 1 is characterized in that described pay-off (2) has an elastic ferrule assembly (211), and described stationary core rod (4) is located in this elastic ferrule assembly (211) and the clamping device (3).
5, according to claim 1 or 4 described steel tube cold cutting device, it is characterized in that described pay-off (2) comprises the rack shaft (21) of axial restraint and the transmission case (23) that can move on axial rectilinear orbit, be provided with the ratchet transmission mechanism of realizing described stationary rack axle (21) and engine transmission in the transmission case (23).
6, steel tube cold cutting device according to claim 1, it is characterized in that described ratchet transmission mechanism comprises and described rack shaft (21) meshed gears (24), with gear (24) be installed on the same turning cylinder (25) gear ring (26) and with the tooth axle (27) of gear ring (26) engagement, between described gear ring (26) and turning cylinder (25) or one-way clutch (28) is installed between gear and the turning cylinder.
7, steel tube cold cutting device according to claim 1, an end that it is characterized in that described stationary core rod (4) is arranged to step axle construction (41), match with this step axle construction (41) and to be provided with a pair of axle bed (102) and the shaft-cup (103) that links together by bolt (101), the two has the corresponding clamping part that coincide with described step axle construction (41), is supported with compression spring (104) between the two.
8, steel tube cold cutting device according to claim 1 is characterized in that described pusher part (6) is enclosed within on the described movable plug (5); The front end of described pusher part (6) is the semicircle tubulose, the corresponding described storagetank (7) of its breach, and described cushion part (61) is formed on the tube wall of corresponding gap portions on the described pusher part.
9,, it is characterized in that described pusher part (6) effect of going up has the support spring (63) of its maintenance to second operating position, is connected with an oblique voussoir (64) on it according to claim 1 or 8 described steel tube cold cutting device.
10, steel tube cold cutting device according to claim 1, it is characterized in that described drift knife plate (9) is in the form of annular discs, the periphery of this drift knife plate is provided with a plurality of edges of a knife (92), and this drift knife plate (9) is according to being installed on the knife plate (91) around the mode that rotate at its center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200864579U CN201183089Y (en) | 2008-04-23 | 2008-04-23 | Steel pipe cold die cut equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200864579U CN201183089Y (en) | 2008-04-23 | 2008-04-23 | Steel pipe cold die cut equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201183089Y true CN201183089Y (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200864579U Expired - Fee Related CN201183089Y (en) | 2008-04-23 | 2008-04-23 | Steel pipe cold die cut equipment |
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| Country | Link |
|---|---|
| CN (1) | CN201183089Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102688934A (en) * | 2011-03-23 | 2012-09-26 | 陈木荣 | Pipe fitting processing forming machine and processing method thereof |
| CN102896226A (en) * | 2012-10-17 | 2013-01-30 | 湖州剑力金属制品有限公司 | Mandrel movable punching die |
| CN102989917A (en) * | 2012-12-17 | 2013-03-27 | 中国二冶集团有限公司 | Asynchronous feeding device |
| CN103418662A (en) * | 2012-05-18 | 2013-12-04 | 万向钱潮股份有限公司 | Cold extrusion blanking die for cross shaft blanks |
| CN107263107A (en) * | 2017-07-24 | 2017-10-20 | 济南迈科管道科技股份有限公司 | A kind of coupling automatic processing device |
| CN108326131A (en) * | 2018-01-09 | 2018-07-27 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator tensile side hole forming technique |
| CN110340212A (en) * | 2019-06-12 | 2019-10-18 | 四川永冠商业设备有限公司 | A kind of tubing string rushes round device and method |
| CN111451402A (en) * | 2020-04-13 | 2020-07-28 | 杭州易正科技有限公司 | Stepping type traction device on chip pin forming and cutting equipment |
| CN112045028A (en) * | 2020-08-22 | 2020-12-08 | 符华明 | Automatic cutting process for steel structure pipe fitting |
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- 2008-04-23 CN CNU2008200864579U patent/CN201183089Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688934A (en) * | 2011-03-23 | 2012-09-26 | 陈木荣 | Pipe fitting processing forming machine and processing method thereof |
| CN102688934B (en) * | 2011-03-23 | 2014-08-27 | 陈木荣 | Pipe fitting processing forming machine and processing method thereof |
| CN103418662A (en) * | 2012-05-18 | 2013-12-04 | 万向钱潮股份有限公司 | Cold extrusion blanking die for cross shaft blanks |
| CN102896226A (en) * | 2012-10-17 | 2013-01-30 | 湖州剑力金属制品有限公司 | Mandrel movable punching die |
| CN102989917A (en) * | 2012-12-17 | 2013-03-27 | 中国二冶集团有限公司 | Asynchronous feeding device |
| CN107263107A (en) * | 2017-07-24 | 2017-10-20 | 济南迈科管道科技股份有限公司 | A kind of coupling automatic processing device |
| CN108326131A (en) * | 2018-01-09 | 2018-07-27 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator tensile side hole forming technique |
| CN110340212A (en) * | 2019-06-12 | 2019-10-18 | 四川永冠商业设备有限公司 | A kind of tubing string rushes round device and method |
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